From left, Monica McGrath, 10-year-old son Sean, eight-year-old daughter Audrey, and Kent Kirkland in front of the home the former married couple designed and built together after their divorce.

Photograph by Bruce Edwards

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A rough floor plan of the second floor of the duplex. Mom Monica McGrath lives on one side, and father Kent Kirkland lives in the other. The kids’ bedrooms (shaded red and green) are located in a hallway accessible to both homes. At each end of the hallway are locking fire doors.

Photograph by Supplied

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Audrey, eight, in her bedroom at home. Her parents worked hard together to create a home so she and her big brother would never have to be shuffled from their father’s to their mother’s house.

Photograph by Bruce Edwards

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The living area in Kent Kirkland’s half of the duplex he and ex-wife Monica Mcgrath share with their children

Photograph by Bruce Edwards

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The living room in McGrath’s half of the duplex. Each half is private and self-contained, except for the two children’s bedrooms, which open into both their father’s and their mother’s home.

Photograph by Bruce Edwards

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Monica’s kitchen/dining area in her half of the duplex she and her ex-husband share with their two children

Photograph by Bruce Edwards

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The master bedroom in Monica’s half the of the duplex

Photograph by Bruce Edwards

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Clever design hides the fact that this is a duplex. One entrance is positioned to the side.

Photograph by Bruce Edwards

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A cosy spare bedroom - perfect for kids’ sleepovers - in McGrath’s half of the duplex

Photograph by Bruce Edwards

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Each parent has a fully private home in the duplex of Kent Kirkland and his ex-wife Monica Mcgrath. This is the master bedroom in Kirkland’s portion of the home.